What percentage of our 2000 mile land border with Mexico looks like your picture? Exactly where is it?
What is the logic of putting a bank vault door on one window of a house with 30 windows and five outside doors, if the rest of them are wide open?
"What is the logic of putting a bank vault door on one window of a house with 30 windows and five outside doors, if the rest of them are wide open? "
To see if the vault door works. If people keep breaking in through the bank vault door you know that it would be a waste of time to put vault doors on the other 30 windows.
That's what happened with Operation Gatekeeper. The original plan was to have those double and triple fences stretch all the way from San Diego to ElPaso, but the plan was abandoned when the test showed that the fences didn't work.
They kept vehicles from going through and marked the borderline but they didn't even slow down border jumpers. Don't you think you could get past those fences?.
Check it out yourself. Once you see what the actual facts are you will no longer have any respect for people who think that we can seal the borders with fences.